error: the loop variable `i` is only used to index `ns`.
 --> $DIR/needless_range_loop.rs:8:14
  |
8 |     for i in 3..10 {
  |              ^^^^^
  |
  = note: `-D needless-range-loop` implied by `-D warnings`
help: consider using an iterator
  |
8 |     for <item> in ns.iter().take(10).skip(3) {
  |         ^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^

error: the loop variable `i` is only used to index `ms`.
  --> $DIR/needless_range_loop.rs:29:14
   |
29 |     for i in 0..ms.len() {
   |              ^^^^^^^^^^^
help: consider using an iterator
   |
29 |     for <item> in &mut ms {
   |         ^^^^^^    ^^^^^^^

error: the loop variable `i` is only used to index `ms`.
  --> $DIR/needless_range_loop.rs:35:14
   |
35 |     for i in 0..ms.len() {
   |              ^^^^^^^^^^^
help: consider using an iterator
   |
35 |     for <item> in &mut ms {
   |         ^^^^^^    ^^^^^^^

error: aborting due to 3 previous errors